46,959 Hits in 6.0 sec

Soil Moisture for Hydrological Applications: Open Questions and New Opportunities

Luca Brocca, Luca Ciabatta, Christian Massari, Stefania Camici, Angelica Tarpanelli
2017 Water  
Soil moisture is widely recognized as a key parameter in the mass and energy balance between the land surface and the atmosphere and, hence, the potential societal benefits of an accurate estimation of  ...  The different techniques used for addressing the monitoring of soil moisture for hydrological applications are briefly reviewed here.  ...  Acknowledgments: The study was partly supported by the EUMETSAT Satellite Application Facility in Support of Operational Hydrology and Water Management (H-SAF) project, the European Space Agency SMOS+rainfall  ... 
doi:10.3390/w9020140 fatcat:xbdhsy2lkvd5rnvlp3ohobufwm

The Relevance of Soil Moisture by Remote Sensing and Hydrological Modelling

Lu Zhuo, Dawei Han
2016 Procedia Engineering  
This paper focuses on exploring the advances and potential issues in current application of satellite soil moisture observations in hydrological modelling.  ...  In order to meet these two requirements, the following three research tasks are suggested: the first is to carry out comprehensive evaluations of satellite soil moisture observations for hydrological modelling  ...  Soil moisture measuring methods First, it is important to give a brief introduction on the existing soil moisture measuring methods, based on two major categories: in-situ and satellite remote sensing.  ... 
doi:10.1016/j.proeng.2016.07.499 fatcat:qvlmra4nirgjhnsalgy7wohqz4

A roadmap for high-resolution satellite soil moisture applications – confronting product characteristics with user requirements

Jian Peng, Clement Albergel, Anna Balenzano, Luca Brocca, Oliver Cartus, Michael H. Cosh, Wade T. Crow, Katarzyna Dabrowska-Zielinska, Simon Dadson, Malcolm W.J. Davidson, Patricia de Rosnay, Wouter Dorigo (+19 others)
2020 Remote Sensing of Environment  
This review summarizes existing applications of satellite-derived soil moisture products and identifies gaps between the characteristics of currently available soil moisture products and the application  ...  The scientific community has made significant progress in estimating soil moisture from satellite-based Earth observation data, particularly in operationalizing coarse-resolution (25-50 km) soil moisture  ...  Acknowledgments The work was supported by the Scientific Exploitation of Operational Missions Program of the European Space Agency through the project "Exploitation of S-1 for Surface Soil Moisture Retrieval  ... 
doi:10.1016/j.rse.2020.112162 fatcat:zen7elopbrcsvlgreq5rlfgqhy

Case Study of Soil Moisture Effect on Land Surface Temperature Retrieval

D. Sun, R.T. Pinker
2004 IEEE Geoscience and Remote Sensing Letters  
The ground observations were used to first demonstrate the influence of soil moisture on the diurnal cycle of the surface temperature, its amplitude and the lag in LST maxima.  ...  Index Terms-Effect of soil moisture on land surface temperature (LST), satellite retrieval of land surface temperature (LST), soil moisture.  ...  ACKNOWLEDGMENT The authors wish to thank W. Meng for her help in processing the GCIP/GAPP data under support from the NOAA Office of Global Programs. The authors also wish to thank R.  ... 
doi:10.1109/lgrs.2004.824749 fatcat:snbc3ow6pjgypjqqk6adcgm4qq

Potential of IRS-P4 microwave radiometer data for soil moisture estimation over India

2022 Mausam  
These are compared with the weekly-observed in situ soil moisture data over a few observatories of India Meteorological Department (IMD).  ...  In this paper the potential of Multi-frequency Scanning Microwave Radiometer (MSMR) onboard Indian satellite IRS-P4 is assessed for large area averaged soil moisture estimation.  ...  Authors are thankful to India Meteorological Department for providing the observed soil moisture data for this study. Rainfall maps available from the website 'Monsoon on Line' by David B.  ... 
doi:10.54302/mausam.v54i1.1512 fatcat:qyn2bq2rxbdqvc5t6msbfrtpe4

Sensitivity of satellite microwave and infrared observations to soil moisture at a global scale: 2. Global statistical relationships

F. Aires
2005 Journal of Geophysical Research  
A statistical model based on neural networks is developed to link the satellite observations and soil moisture estimates.  ...  In this study, the lessons from the first paper are exploited to document the sensitivity of the satellite data to the global large-scale variations of soil moisture.  ...  This is an important step for the assimilation of satellite data in land surface models or for the development of a soil moisture retrieval strategy for the next generation of satellite instruments.  ... 
doi:10.1029/2004jd005094 fatcat:rkqqfmvptnb4bnapx4ku2muwku

Global Soil Moisture from Satellite Observations, Land Surface Models, and Ground Data: Implications for Data Assimilation

Rolf H. Reichle, Randal D. Koster, Jiarui Dong, Aaron A. Berg
2004 Journal of Hydrometeorology  
Time-average soil moisture fields from the satellite and the model largely agree in the global patterns of wet and dry regions.  ...  However, the magnitudes of time-average soil moisture and soil moisture variability are markedly different between the datasets in many locations.  ...  We thank Manfred Owe and Richard de Jeu for the SMMR soil moisture data and the Global Soil Moisture Data Bank for the ground measurements.  ... 
doi:10.1175/1525-7541(2004)005<0430:gsmfso>;2 fatcat:q7ph5e3ikbeevioivdwrkga56y

Comparison of contemporary in situ, model, and satellite remote sensing soil moisture with a focus on drought monitoring

Trent W. Ford, Steven M. Quiring
2019 Water Resources Research  
Soil moisture is a key drought indicator; however, current in situ soil moisture infrastructure is inadequate for large-scale drought monitoring.  ...  Acknowledgments In situ observations as part of the NOAA HMT, OK Mesonet, SCAN, SNOTel, and WTX  ...  Finally, it is important to note that none of the model or satellite soil moisture products use any of the in situ observations for their product calibration; therefore, the comparison is not confounded  ... 
doi:10.1029/2018wr024039 fatcat:l5qgeh4bprbr7glwx6mehxmf4a

Active-Layer Soil Moisture Content Regional Variations in Alaska and Russia by Ground-Based and Satellite-Based Methods, 2002 through 2014

Reginald R. Muskett, Vladimir E. Romanovsky, William L. Cable, Alexander L. Kholodov
2015 International journal of geosciences  
Satellite-based 6.925 and 10.65 GHz sensor algorithmic retrievals of soil moisture by Advanced Microwave Scanning Radiometer -Earth Observation System (AMSR-E) onboard NASA-Aqua and follow-on AMSR2 onboard  ...  This is an important error source for satellite-based active and passive microwave remote sensing soil moisture retrievals in Arctic regions that must be addressed.  ...  Satellite-based 6.925 and 10.65 GHz sensor algorithmic retrievals of soil moisture by Advanced Microwave Scanning Radiometer -Earth Observation System (AMSR-E) onboard NASA-Aqua and follow-on AMSR2 onboard  ... 
doi:10.4236/ijg.2015.61002 fatcat:z2hnmcnyubaldo226cseamelgq

Soil Moisture Remote Sensing across Scales

Nemesio Rodríguez-Fernández, Ahmad Al Bitar, Andreas Colliander, Tianjie Zhao
2019 Remote Sensing  
Soil moisture plays an important role in the water, carbon, and energy cycles.  ...  We summarize the 13 articles collected in this Special Issue on soil moisture remote sensing across scales in terms of the spatial, temporal, and frequency scales studied.  ...  ) for their support and help with the editorial work of this Special Issue.  ... 
doi:10.3390/rs11020190 fatcat:vz7eji5nxbcllh4p4ewf7eyx3y

Estimation and Validation of Soil Moisture Using PALSAR Onboard ALOS over Mongolian Plateau

Takeo Tadono, Masanobu Shimada, Hideyuki Fujii, Ichirow Kaihotsu
2008 PIERS Online  
The objective of this study is to develop algorithms to estimate spatial and temporal distributions of soil moisture using satellite remote sensing techniques.  ...  In spite of its importance, soil moisture is not generally used for weather forecasting and water resources management because it is difficult to measure on a routine basis over large areas.  ...  In spite of its importance, soil moisture is not generally used for weather forecasting because it is difficult to measure on a routine basis over large areas.  ... 
doi:10.2529/piers080121020548 fatcat:r6fossiwvjdutjxfn2nf65ndbq

Quantifying Drought Propagation from Soil Moisture to Vegetation Dynamics Using a Newly Developed Ecohydrological Land Reanalysis

Yohei Sawada
2018 Remote Sensing  
Assimilating satellite microwave brightness temperature observations improves the skill of a LSM to simultaneously simulate soil moisture and the seasonal cycle of leaf area index (LAI).  ...  On average, soil moisture in the shallow soil layers (0–0.45 m) quickly recovers from the drought condition before the climatological day-of-year of the LAI's seasonal peak while soil moisture in the deeper  ...  The in situ soil moisture observations were archived at International Soil Moisture Network (ISMN)  ... 
doi:10.3390/rs10081197 fatcat:ckscth3cwreajnvbrkmjrqldee

Using BDS MEO and IGSO Satellite SNR Observations to Measure Soil Moisture Fluctuations Based on the Satellite Repeat Period

Fei Shen, Mingming Sui, Yifan Zhu, Xinyun Cao, Yulong Ge, Haohan Wei
2021 Remote Sensing  
The contribution of this study is a proposed multi-satellite soil moisture retrieval method for BDS MEO and IGSO satellites based on signal-to-noise ratio (SNR) observations.  ...  Soil moisture is an important geophysical parameter for studying terrestrial water and energy cycles.  ...  Acknowledgments: The authors gratefully acknowledge institute of soil science, Chinese academy of sciences for providing experimental site.  ... 
doi:10.3390/rs13193967 fatcat:4ykpbo4lxjgjppg75s4shfxad4

Assessment of Water Cloud Model based on SAR and optical satellite data for surface soil moisture retrievals over agricultural area

2021 Eurasian Journal of Soil Science  
The performance of the applied model was assessed using ground observed soil moisture (0-5 cm).  ...  This research aimed to evaluate the potential of Water Cloud Model (WCM) for retrieving surface soil moisture, which is associated to water availability, in a semi-arid areas based on the combination between  ...  In all derived maps, the percentage of soil moisture depends on the date of acquisition of the satellite data and the date of rainfall.  ... 
doi:10.18393/ejss.926813 fatcat:3cc4q56ta5do3bqi46bdn4iw6i

Examining the Spatial and Temporal Variability of Soil Moisture in Kentucky Using Remote Sensing Data

Bassil El Masri
2017 Biomedical Journal of Scientific & Technical Research  
The observed trends in satellite soil moisture estimates for different Kentucky biome types are analyzed.  ...  Evaluating satellite soil moisture products is important for improving our understanding of the spatial variability in vegetation carbon and water cycles. 2/4  ...  Evaluating satellite soil moisture products is important for improving our understanding of the spatial variability in vegetation carbon and water cycles.  ... 
doi:10.26717/bjstr.2017.01.000604 fatcat:vaivo55fq5hndmy3tkkwiwtyxu
« Previous Showing results 1 — 15 out of 46,959 results